Home / 11,723.12-17,582.78-4,331.06

Finding the Fourth Proportional to 11,723.12, 17,582.78 and 4,331.06

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Solution

The fourth proportional to 11,723.12, 17,582.78 and 4,331.06 is: 6,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.12 : 17,582.78 = 4,331.06 : x
  2. Step 2: Convert to fraction form
    11,723.12/17,582.78 = 4,331.06/x
  3. Step 3: Cross multiply
    11,723.12x = 17,582.78 × 4,331.06
  4. Step 4: Simplify right side
    11,723.12x = 76,152,075.15
  5. Step 5: Solve for x
    x = 76,152,075.15/11,723.12
  6. Step 6: Final answer
    x = 6,495.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.